In view of our existing system, we design the structure model of related valve, proving the effect in which the high hydraulic pressure could improve the miniaturization of this structure.

针对我国有关制动系统工况，讨论了气液制动阀结构型式，初步分析了系统油压力与结构轻。

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The system uses the engine to drive a hydraulic pump that charges an accumulator to high pressure.

这种系统利用该发动机来驱动液压泵以使蓄压器充满压力达到高压。

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Shale traps gas more tightly than other rock. To extract it, the shale is blasted with huge volumes of fresh water at high pressure, a practice known as hydraulic fracturing, or "fracking".

页岩储藏气体比其他岩石更密封，要从中抽取就必须用海量淡水在高压下炸开页岩并，这种方法叫做水压致裂法。

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The XOS 2 is nearly usable for the latter job, but even at 50 percent more efficient than the original (by the company's last count) it's still a prototype that requires a tethered high-pressure hydraulic engine to function.

ENGADGET: Raytheon's Sarcos XOS 2 military exoskeleton just does the heavy lifting -- for now

It is powered by an engine which drives a hydraulic pump to send oil under high pressure around its plumbing in order to animate its limbs.

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It's festooned with high pressure pipes and a set of intimidating hydraulic rams.

BBC: World's railway future born in Edinburgh test lab